obsess Hear it!

obsess definition

ob·sess (əb ses′)

transitive verb

to haunt or trouble in mind, esp. to an abnormal degree; preoccupy greatly

Etymology: < L obsessus, pp. of obsidere, to besiege < ob- (see ob-) + sedere, sit

intransitive verb

to be obsessed or preoccupied: usually with about, over, or on

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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